WIP: Add a NodeJS 18 runtime

runtimes/aleph-debian-12-node18/create_disk_image.sh

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+#!/bin/sh
+
+rm ./rootfs.squashfs
+
+set -euf
+
+rm -fr ./rootfs
+mkdir ./rootfs
+
+debootstrap --variant=minbase bookworm ./rootfs http://deb.debian.org/debian/
+
+chroot ./rootfs /bin/sh <<EOT
+
+set -euf
+
+apt-get install -y --no-install-recommends --no-install-suggests \
+  python3-minimal \
+  openssh-server \
+  socat libsecp256k1-1 \
+  \
+  python3-aiohttp python3-msgpack \
+  python3-setuptools python3-venv \
+  python3-pip python3-cytoolz python3-pydantic \
+  iproute2 unzip \
+  build-essential python3-dev \
+  python3-fastapi \
+  \
+  docker.io \
+  cgroupfs-mount \
+  nftables \
+  \
+  iputils-ping curl
+
+echo "Pip installing aleph-sdk-python"
+mkdir -p /opt/aleph/libs
+pip3 install --target /opt/aleph/libs 'aleph-sdk-python==0.7.0'
+
+# Compile Python code to bytecode for faster execution
+python3 -m compileall -f /usr/local/lib/python3.11
+python3 -m compileall -f /opt/aleph/libs
+
+# install nvm
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.5/install.sh | bash
+
+echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config
+echo "PasswordAuthentication no" >> /etc/ssh/sshd_config
+echo "ChallengeResponseAuthentication no" >> /etc/ssh/sshd_config
+echo "PermitRootLogin yes" >> /etc/ssh/sshd_config
+
+mkdir -p /overlay
+
+# Set up a login terminal on the serial console (ttyS0):
+ln -s agetty /etc/init.d/agetty.ttyS0
+echo ttyS0 > /etc/securetty
+EOT
+
+# In case we want to pre-install the latest lts version (v18.18.0)
+chroot ./rootfs /bin/bash <<EOT
+. /root/.bashrc
+nvm install v18.18.0
+nvm use v18.18.0
+node -v
+npm -v
+EOT
+
+cat <<EOT > ./rootfs/etc/inittab
+# /etc/inittab
+
+::sysinit:/sbin/init sysinit
+::sysinit:/sbin/init boot
+::wait:/sbin/init default
+
+# Set up a couple of getty's
+tty1::respawn:/sbin/getty 38400 tty1
+tty2::respawn:/sbin/getty 38400 tty2
+tty3::respawn:/sbin/getty 38400 tty3
+tty4::respawn:/sbin/getty 38400 tty4
+tty5::respawn:/sbin/getty 38400 tty5
+tty6::respawn:/sbin/getty 38400 tty6
+
+# Put a getty on the serial port
+ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100
+
+# Stuff to do for the 3-finger salute
+::ctrlaltdel:/sbin/reboot
+
+# Stuff to do before rebooting
+::shutdown:/sbin/init shutdown
+EOT
+
+# Reduce size
+rm -fr ./rootfs/root/.cache
+rm -fr ./rootfs/var/cache
+mkdir -p ./rootfs/var/cache/apt/archives/partial
+rm -fr ./rootfs/usr/share/doc
+rm -fr ./rootfs/usr/share/man
+rm -fr ./rootfs/var/lib/apt/lists/
+
+# Custom init
+cp ./init0.sh ./rootfs/sbin/init
+cp ./init1.py ./rootfs/root/init1.py
+cp ./loading.html ./rootfs/root/loading.html
+cp ./run.sh ./rootfs/root/run.sh
+chmod +x ./rootfs/sbin/init
+chmod +x ./rootfs/root/init1.py
+chmod +x ./rootfs/root/run.sh
+
+mksquashfs ./rootfs/ ./rootfs.squashfs

runtimes/aleph-debian-12-node18/init0.sh

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+#!/bin/sh
+
+set -euf
+
+mount -t proc proc /proc -o nosuid,noexec,nodev
+
+log() {
+    echo "$(awk '{print $1}' /proc/uptime)" '|S' "$@"
+}
+log "init0.sh is launching"
+
+# Switch root from read-only ext4 to to read-write overlay
+mkdir -p /overlay
+/bin/mount -t tmpfs -o noatime,mode=0755 tmpfs /overlay
+mkdir -p /overlay/root /overlay/work
+/bin/mount -o noatime,lowerdir=/,upperdir=/overlay/root,workdir=/overlay/work -t overlay "overlayfs:/overlay/root" /mnt
+mkdir -p /mnt/rom
+pivot_root /mnt /mnt/rom
+
+mount --move /rom/proc /proc
+mount --move /rom/dev /dev
+
+mkdir -p /dev/pts
+mkdir -p /dev/shm
+
+mount -t sysfs sys /sys -o nosuid,noexec,nodev
+mount -t tmpfs run /run -o mode=0755,nosuid,nodev
+#mount -t devtmpfs dev /dev -o mode=0755,nosuid
+mount -t devpts devpts /dev/pts -o mode=0620,gid=5,nosuid,noexec
+mount -t tmpfs shm /dev/shm -omode=1777,nosuid,nodev
+
+# Required by Docker
+cgroupfs-mount
+update-alternatives --set iptables /usr/sbin/iptables-legacy
+update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
+
+# Enable the following to force the storage driver used by Docker.
+# See https://docs.docker.com/storage/storagedriver/select-storage-driver/
+#echo '{\n"storage-driver": "overlay2"\n}\n' > /etc/docker/daemon.json
+
+# List block devices
+lsblk
+
+#cat /proc/sys/kernel/random/entropy_avail
+
+# TODO: Move in init1
+mkdir -p /run/sshd
+/usr/sbin/sshd &
+log "SSH UP"
+
+log "Setup socat"
+socat UNIX-LISTEN:/tmp/socat-socket,fork,reuseaddr VSOCK-CONNECT:2:53 &
+log "Socat ready"
+
+export PATH=$PATH:/usr/local/bin:/usr/bin:/usr/sbin
+export PYTHONPATH=/opt/aleph/libs
+
+# Replace this script with the manager
+exec /root/init1.py